Only a call the intensive worker who calls control to the medium to high-volume call user – knows how much it is needed to have customizable VoIP phone that has a rich and vibrant display. No matter what, GXP2140 has had 4 lines, 5 programmable soft keys, and feature-loaded call controls. Additionally, it has Gigabit PoE ports, HD audio, and integrated Bluetooth, to make call-intensive employee powerful. All ranges of Grandstream IP phones like this one GXP2140 feature state-of-the-art security encryption technology (SRTP and TLS) in order to be supportive of a variety of automated provisioning options (including zero-configuration), encrypted XML files, and TR-069. With these, mass deployment becomes extremely easy.